No field type File and hyperlink seem like a simple input text

I install 2sxc and watch videos to learn to use it. It's great.
But when I want to add a content type File to allow users to add an image, I don't find the type File :
I went to forum and see that if content type file File doesn't exist I must use content type Hyperlink.
I did that but content type Hyperlink seem to be a simple input text.
What did I miss?
Thanks for your response